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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
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package com.oracle.svm.core.jvmstat;

import static com.oracle.svm.core.jvmstat.PerfManager.Options.PerfMaxStringConstLength;
import static com.oracle.svm.core.jvmstat.PerfVariability.CONSTANT;
import static jdk.vm.ci.meta.JavaKind.Byte;

import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.Platforms;

public class PerfStringConstant extends PerfString {
    @Platforms(Platform.HOSTED_ONLY.class)
    PerfStringConstant(String name) {
        super(name);
    }

    public void allocate(String value) {
        /*
         * Restrict string constant lengths to be <= PerfMaxStringConstLength. This prevents long
         * string constants, as can occur with very long classpaths or java command lines, from
         * consuming too much PerfData memory.
         */
        byte[] bytes = AbstractPerfDataEntry.getBytes(value, PerfMaxStringConstLength.getValue());
        allocate(CONSTANT, Byte, bytes.length + 1);
        writeNullTerminatedString(valuePtr, bytes);
    }
}
